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A ground rod or pipe shall be allowed to be installed at up to a ______ degree angle if rock is encountered.CorrectIncorrect
At a minimum, how many 120v 20 amp circuits must a dwelling unit have?CorrectIncorrect
In classified locations, when using NPT fittings, how many threads should be engaged?CorrectIncorrect
.W4 Of the following wire types, what wire can you not put in a plenum?CorrectIncorrect
There shall be an air space of at least _____ between live parts, including metal parts that are live and enclosed overcurrent devices, and the door on equipment is rated 251v – 1,000v nominal.CorrectIncorrect
What is the demand factor for one 9.5 Kw range?CorrectIncorrect
What is the maximum weight a ceiling fan box box can hold without special attachment means?CorrectIncorrect
What is the minimum width that a kitchen counter top is required to be to need a receptacle?CorrectIncorrect
What is the total calculated demand for five 5 Kw ranges?CorrectIncorrect
What is the total calculated demand for one 10.5 Kw range?CorrectIncorrect
What is the total calculated demand for two, 10 Kw ranges?CorrectIncorrect
What type of communication cable is allowed to be run in a plenum?CorrectIncorrect
When 1 ground rod or pipe is _____ ohms or less, an additional electrode is not required.CorrectIncorrect
When a branch circuit supplies neon signs, it shall not exceed ______ amperes.CorrectIncorrect
When emerging from grade, underground wire should be protected from physical damage for a minimum of _____ ft.CorrectIncorrect
In dwelling units, no less than one 15 or 20 amp receptacle shall be installed within _____ ft. of refrigeration or HVAC Equipment.CorrectIncorrect
Using the optional method, what size over-current protection would you select for a load calculated at a total of 68,000 Va on a 120/240 system?CorrectIncorrect
The disconnect for low-voltage suspended ceiling power distribution systems must be _____, and within sight of the class 2 power source.CorrectIncorrect
A ladder that is 12 ft. tall is required to be set with the base how many feet away from the wall?CorrectIncorrect
MC cables shall be supported at intervals not exceeding _____ ft.CorrectIncorrect